What's second unit? What's the 180 degree line? These questions and more were often answered by "King of the Bs" Roger Corman in his grindhouse movie heyday, when he famously took newbie future auteurs like James Cameron, Francis Ford Coppola, and Martin Scorsese under his wing while churning out B-movies left and right. In an exclusive deleted scene from Corman's World: Exploits of a Hollywood Rebel, almost a dozen of his former proteges, including Ron Howard, Peter Bogdanovich, Joe Dante, Jonathan Demme, and Penelope Spheeris recall the crash course in filmmaking he gave them at the start of their careers.more »